Finding the Fourth Proportional to 191,763.84, 264,643.12 and 106,881.50
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Solution
The fourth proportional to 191,763.84, 264,643.12 and 106,881.50 is: 147,501.50
Step by Step Solution
- Step 1: Write the proportion equation
191,763.84 : 264,643.12 = 106,881.50 : x - Step 2: Convert to fraction form
191,763.84/264,643.12 = 106,881.50/x - Step 3: Cross multiply
191,763.84x = 264,643.12 × 106,881.50 - Step 4: Simplify right side
191,763.84x = 28,285,453,630.28 - Step 5: Solve for x
x = 28,285,453,630.28/191,763.84 - Step 6: Final answer
x = 147,501.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.